Home / 77,847.80-116,816.13-30,466.76

Finding the Fourth Proportional to 77,847.80, 116,816.13 and 30,466.76

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Solution

The fourth proportional to 77,847.80, 116,816.13 and 30,466.76 is: 45,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.80 : 116,816.13 = 30,466.76 : x
  2. Step 2: Convert to fraction form
    77,847.80/116,816.13 = 30,466.76/x
  3. Step 3: Cross multiply
    77,847.80x = 116,816.13 × 30,466.76
  4. Step 4: Simplify right side
    77,847.80x = 3,559,008,412.76
  5. Step 5: Solve for x
    x = 3,559,008,412.76/77,847.80
  6. Step 6: Final answer
    x = 45,717.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.